Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20
Topps Gallery Baseball 1999 · #TH20 · updated 2026-11-03

| Price | 30d | 1y | |
|---|---|---|---|
| PSA 10 most traded | $11.72 | — | — |
| Baseball index | — | ▼3% | ▲59% |
| Mark McGwire index | — | ▲3% | ▲26% |
| Topps Gallery Baseball set index | — | ▼5% | — |

| Grade | Price | 30d | 1y |
|---|---|---|---|
| PSA 10 | $11.72 | 0 | — |
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About Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20
Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20 is a 1999 Pokémon card from Topps Gallery Baseball, number TH20. Right now a PSA 10 sells for about $11.72, each the median of the newest three recorded sales inside 30 days.
We hold 1 recorded sales of this card going back to 2019-10. By venue: eBay 100%.
PSA has graded 2 copies at PSA 10. Population as of 2026-10-24, from PSA's cert records.
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Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20 questions
How much is a Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20 worth?
About $11.72 in PSA 10, the most traded grade. Prices are the median of the newest three recorded sales inside 30 days.
How much is a PSA 10 Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20?
About $11.72. PSA has graded 2 copies at 10.
Where can I buy a Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20?
The Deals section on this page lists every auction of this card ending inside 24 hours and every Buy It Now the deal finder is pricing, each against the comp for its grade. Tap one to open it on eBay, or open the deal finder for every card.
What is the PSA population of Mark McGwire 1999 Topps Gallery Baseball Heritage #TH20?
PSA 10: 2. As of 2026-10-24.